Global Patent Index - EP 3761006 A1

EP 3761006 A1 20210106 - PHOTOACOUSTIC APPARATUS AND METHODS

Title (en)

PHOTOACOUSTIC APPARATUS AND METHODS

Title (de)

FOTOAKUSTISCHE VORRICHTUNG UND VERFAHREN

Title (fr)

APPAREIL PHOTO-ACOUSTIQUE ET PROCÉDÉS

Publication

EP 3761006 A1 20210106 (EN)

Application

EP 19184223 A 20190703

Priority

EP 19184223 A 20190703

Abstract (en)

A photoacoustic apparatus, comprising:at least one optical amplifier, configured to produce light;at least one photonic integrated circuit, configured as a tunable light filter;light guiding means, wherein the at least one optical amplifier, at least one photonic integrated circuit and light guiding means are configured as an optical cavity to produce laser light having an optical path within the optical cavity; andat least one acoustic sensor configured to detect sound produced by analyte introduced into the optical path of the laser light.

IPC 8 full level

G01N 21/17 (2006.01)

CPC (source: EP US)

G01N 21/1702 (2013.01 - EP US); G01N 29/2418 (2013.01 - US); G02B 6/12004 (2013.01 - US); G02B 6/1245 (2013.01 - US); G01N 2021/1704 (2013.01 - EP US); G01N 2201/06113 (2013.01 - US); G01N 2201/08 (2013.01 - US); G02B 2006/12138 (2013.01 - US)

Citation (search report)

  • [YA] WO 2017153765 A1 20170914 - FRAUNHOFER UK RES LTD [GB]
  • [Y] US 8359904 B2 20130129 - NICOLETTI SERGIO [FR], et al
  • [Y] US 8857242 B2 20141014 - HEIDRICH HELMUT [DE], et al
  • [Y] EP 0282234 A1 19880914 - DOWLING ELIZABETH MAY
  • [Y] WANG QIANG ET AL: "Fiber Laser Intracavity Quartz-Enhanced Photoacoustic Gas Sensor", 2018 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO), OSA, 13 May 2018 (2018-05-13), pages 1 - 2, XP033380452
  • [Y] A. GLIÈRE ET AL: "A Coupled Model for the Simulation of Miniaturized and Integrated Photoacoustic Gas Detector", INTERNATIONAL JOURNAL OF THERMOPHYSICS, vol. 34, no. 11, 1 November 2013 (2013-11-01), pages 2119 - 2135, XP055146817, ISSN: 0195-928X, DOI: 10.1007/s10765-013-1534-8

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3761006 A1 20210106; US 11561206 B2 20230124; US 2021003536 A1 20210107

DOCDB simple family (application)

EP 19184223 A 20190703; US 202016909238 A 20200623